supraventricular

Amiodarone hydrochloride (Amiodarone HCl) is an antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance.

Etripamil (MSP-2017) displays atrioventricular nodal conduction and prolongs atrioventricular nodal refractory periods by inhibiting calcium ion influx through the calcium slow channels in the atrioventricular node cells. Etripamil is an antagonist of short-acting L-type calcium-channel. It has a rapid onset of action designed for intranasal administration. It is also used to treat Paroxysmal Supraventricular Tachycardia.

Flecainide is a medication used to prevent and treat abnormally fast heart rates. This includes ventricular and supraventricular tachycardias.

Deslanoside (Desacetyllanatoside C) is a rapidly acting cardiac glycoside used to treat congestive heart failure and supraventricular arrhythmias associated with reentry mechanisms. It inhibits the Na-K-ATPase membrane pump, increasing intracellular sodium and calcium concentrations.

Aprindine HCl is a Class 1b antiarrhythmic agent used to manage ventricular and supraventricular arrhythmias. In one study, it delayed atrial fibrillation more than digoxin did. It has shown effectiveness when given orally.

Adaprolol maleate is a beta-blocker and opthalmic which may be used in the treatment of Glaucoma or other ailments of the eye. Adaprolol has marked electrophysiologic effects. Its major action was on sinus node; it prolonged the basic sinus cycle length and had significant effect on intrinsic automaticity as reflected by the prolonged corrected sinus node recovery time and sinuatrial conduction time. There was, also, direct effect on atrial function and AV nodal function. Adaprolol prolonged the effective refractory period of the His-Purkinje system and the ventricle. The potency of adaprolol's electrophysiologic effects are higher compared to other widely used beta-blockers. Adaprolol appears to be a potent beta-blocker with particularly strong antiarrhythmic effect and it would be very useful in the treatment of both supraventricular and ventricular tachyarrhythmias and ectopic beats.

Encainide (MJ9067), a class IC antiarrhythmic drug, holds potential for research into life-threatening and symptomatic ventricular arrhythmias as well as supraventricular arrhythmias.

Flecainide acetate is a class Ic antiarrhythmic agent, it is used to treat a variety of cardiac arrhythmias including paroxysmal atrial fibrillation, paroxysmal supraventricular tachycardia, and ventricular tachycardia. It works by regulating the flow of